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Finding the Fourth Proportional to 48,296.99, 72,437.72 and 13,228.45

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Solution

The fourth proportional to 48,296.99, 72,437.72 and 13,228.45 is: 19,840.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,296.99 : 72,437.72 = 13,228.45 : x
  2. Step 2: Convert to fraction form
    48,296.99/72,437.72 = 13,228.45/x
  3. Step 3: Cross multiply
    48,296.99x = 72,437.72 × 13,228.45
  4. Step 4: Simplify right side
    48,296.99x = 958,238,509.90
  5. Step 5: Solve for x
    x = 958,238,509.90/48,296.99
  6. Step 6: Final answer
    x = 19,840.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.